Spitzer Watches Planet-Forming Disk Change Quickly

[/caption] Something strange is going on around a young star called LRLL 31. Astronomers have witnessed a swirling disk of gas and dust which is changing rather quickly; sometimes weekly. This is likely a planet forming disk, however, planets take millions of years to form, so it’s rare to see anything change on time scales … Continue reading Spitzer Watches Planet-Forming Disk Change Quickly